Polymorphous light dermatosis
Last Updated: 2023-07-07
Author(s): Anzengruber F., Navarini A.
ICD11: EJ30.0
Last Updated: 2023-07-07
Author(s): Anzengruber F., Navarini A.
ICD11: EJ30.0
Sun allergy, photoreactive eczema, polymorphic light eruption (PMLE) prurigo aestivalis, summer prurigo, lupus erythematosus-like light dermatosis, eczema solare
The most common light dermatosis, which is characterised by its intense itching. The appearance is monomorphic within the type of PLD (see below: papules, vesicles, plaques, cocard-like lesions, etc.).
First symptoms appear hours to days later. However, manifestation is also possible after several days (cumulative dose). There is often a habituation effect (hardening) in the course. In most cases, there is a pronounced itching.
Varying patterns according to type. Cuffed, perivascular lymphohistiocytic cell infiltrates are usually seen throughout the dermis. There may also be subepidermal oedema, exocytosis and spongiosis
General measures
Topical therapy
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